/Engine/Source/Runtime/Analytics/Analytics/Public/Interfaces/IAnalyticsProvider.h
Note that not all providers support all events. In this case this method is equivalent to sending a regular event with name "Progression".
virtual void RecordProgress ( const [FString](API\Runtime\Core\Containers\FString) & ProgressType, const [FString](API\Runtime\Core\Containers\FString) & ProgressHierarchy, const [TArray](API\Runtime\Core\Containers\TArray)< [FAnalyticsEventAttribute](API\Runtime\Analytics\FAnalyticsEventAttribute) > & EventAttrs )